Page 25 - Maths Class 04

Practice - 2.1
Practice - 2.1
Practice - 2.1
Practice - 2.1
1. Solve the sum in each of the following and tick ( ) the appropriate option. 3

a. b.
TH H T O TH H T O

3 4 2 4 Less than 10000 4 3 7 2 Less than 7650

+ 5 6 7 2 More than 10000 + 3 6 2 4 More than 7650

2. Guess the addends and fill the blanks.

a. 20 + ______ = 70 b. ______ + 10 = 40

c. ______ + 50 = 60 d. 80 + ______ = 90

e. 600 + ______ = 800 f. _____ + 400 = 800

3. Complete the table by writing the estimated answer and then finding the

actual sum.

Rounding off Estimated Actual
S.No. Add
Numbers Sum Sum

a. 2815 + 3164 3000 + 3000 6000 5979

b. 6188 + 1937

c. 6321 + 2847

d. 3035 + 1885

e. 4391 + 2585

f. 8135 + 1062

4. Solve the following.

a. 42834 + 41260 + 420 =

b. 21508 + 43263 + 34264 =

c. 666323 + 219601 + 99 =

d. 84318 + 162 + 10102 =

e. 923330 + 44444 =

f. 24728 + 11111 =

Mathematics-4 25